CN107075868B

CN107075868B - Cylinder lock protective device

Info

Publication number: CN107075868B
Application number: CN201580059983.9A
Authority: CN
Inventors: 田中昭光; M·普拉恰
Original assignee: Honda Lock Manufacturing Co Ltd
Current assignee: Meibei Zhilian Science And Technology Innovation Parts Co ltd
Priority date: 2014-11-07
Filing date: 2015-10-21
Publication date: 2019-07-05
Anticipated expiration: 2035-10-21
Also published as: BR112017009403A2; EP3216949A4; WO2016072268A1; CN107075868A; JP2016089527A; EP3216949B1; BR112017009403B1; EP3216949A1; JP6348824B2

Abstract

A kind of cylinder lock protective device, wherein, baffle is supported on the shell with the mechanical key insertion hole for mechanical key to be inserted into cylinder lock, the baffle is configured the shell covering of a part of shell, and the baffle is supported to move between the open position of the closed position and open mechanical key insertion hole of closing mechanical key insertion hole, shell (35) has the main body (38) being arranged in succession with the cylinder of cylinder lock and is formed as the shell (39) for covering baffle (36) and being fixed on main body (38), shell (39) is made of the shell principal part (29) of resin and metal guard member (30), wherein, the guard member (30) is inserted embedding be integrated in shell principal part (29), and at least has and be formed as tabular in a manner of covering baffle (36) Flat part (30a).Thereby, it is possible to make shell lightweight while ensuring anti-theft.

Description

Cylinder lock protective device

Technical field

The present invention relates to a kind of cylinder lock protective devices, wherein has for mechanical key to be inserted into cylinder lock Mechanical key insertion hole shell on be supported with baffle, which is configured the shell covering of a part of shell, and the gear Plate is supported to that the closed position in mechanical key insertion hole and beating for the open mechanical key insertion hole can be being closed It is moved between open position.

Background technique

There is known have the cylinder lock for the baffle that the keyhole of cylinder lock is opened and closed protection dress in patent document 1 It sets.

Existing technical literature

Patent document

Patent document 1: No. 3914043 bulletins of Japan Patent

Summary of the invention

Subject to be solved by the invention

In the device disclosed in above patent document 1, constitute a part of shell and cover the shell of baffle by The metals such as zinc are formed to ensure anti-theft, this causes the weight of shell to increase, or even cause the vehicle for being equipped with cylinder lock etc. Weight increases.

The present invention is completed in view of above-mentioned truth, and its purpose is to provide a kind of a part for ensuring composition shell Shell anti-theft while make its light-weighted cylinder lock protective device.

Means for solving the problems

In order to achieve the above objectives, the present invention is a kind of cylinder lock protective device, wherein is had for by mechanical key It is supported with baffle on the shell in the mechanical key insertion hole that spoon is inserted into cylinder lock, which is configured a part of the shell Shell covering, and be supported to can be in the closed position for closing mechanical key insertion hole and the open machine for the baffle It is moved between the open position of tool key insertion hole, the 1st of the cylinder lock protective device is characterized in that the shell has The main body that is arranged in succession with the cylinder of the cylinder lock and is formed as covering the baffle and be fixed on the body Shell, the shell is made of the shell principal part of resin and metal guard member, wherein the guard member is inserted embedding knot It closes in the shell principal part, and at least has and be formed as flat flat part in a manner of covering the baffle.

In addition, the of the invention the 2nd is characterized in that, the guard member is fixed on institute on the basis of the composition of the 1st feature It states in main body.

Also, on the basis of the composition of the 1st or the 2nd feature, the of the invention the 3rd is characterized in that, the shell is formed as With multiple sidewall portions, the multiple sidewall portion includes at least two sidewall portion engaged with the body elastic and these side walls 1 sidewall portion for being anchored on the main body except portion, and the multiple sidewall portion is configured to the different direction of facing each other.

Invention effect

1st feature according to the present invention can be realized the lightweight of shell by being formed from a resin shell principal part, this Outside, constituted together with shell principal part shell metal guard member inserted it is embedding be integrated in shell principal part, as a result, can also be true Protect anti-theft.

In addition, the 2nd feature according to the present invention, since guard member is fixed in main body, it can be secured by shell Ground is fixed in main body.

Also, the 3rd feature according to the present invention is configured to the different direction of facing each other, shell institute in sidewall portion In the multiple sidewall portions having, at least two sidewall portion engages with body elastic, and 1 except these sidewall portions sidewall portion is tight It is fixed in main body, therefore, easily shell can be assembled into main body, can be improved assemblability.

Detailed description of the invention

Fig. 1 is the side view of automatic two-wheeled cycle.(the 1st embodiment)

Fig. 2 is cylinder lock, cylinder lock protective device, protective device opening action limits device and key unit Perspective view.(the 1st embodiment)

Fig. 3 is the perspective view of magnetic force key.(the 1st embodiment)

Fig. 4 is the exploded perspective view of cylinder lock protective device and protective device opening action limits device.(the 1st is real Apply mode)

Fig. 5 is the cylinder lock protective device and protection dress omitted shown in shell in the state that baffle is located at open position Set the front view with opening action limits device.(the 1st embodiment)

Fig. 6 be after dismantling baffle from Fig. 5 in the state of front view.(the 1st embodiment)

Fig. 7 be dismantle from Fig. 6 inside cover plate after in the state of front view.(the 1st embodiment)

Fig. 8 is the perspective view of shell.(the 1st embodiment)

Fig. 9 is the perspective view of guard member.(the 1st embodiment)

Figure 10 is the perspective view of shell.(the 1st embodiment)

Figure 11 is the perspective view of the baffle from the opposite side of shell.(the 1st embodiment)

Figure 12 is the cylinder lock protective device and protection omitted shown in shell in the state that baffle is located at closed position The front view of device opening action limits device.(the 1st embodiment)

Figure 13 is the cylinder lock protective device and protection omitted shown in shell in the state that baffle is located at closed position The perspective view of device opening action limits device.(the 1st embodiment)

Figure 14 is the figure observed along 14 direction of arrow of Figure 13.(the 1st embodiment)

Figure 15 is the perspective view for showing the connecting structure of magnetic key operated lock, restriction cancellation component and the 2nd limiting component. (the 1st embodiment)

Figure 16 is the side view along the main body of 16 direction of arrow of Fig. 5 observation shell.(the 1st embodiment)

Figure 17 is the front view of magnetic force key slave unit.(the 1st embodiment)

Figure 18 is the figure observed along 18 direction of arrow of Figure 17.(the 1st embodiment)

Figure 19 is the cross-sectional view of the 19-19 line along Fig. 2.(the 1st embodiment)

Figure 20 is the exploded perspective view of Slave Block and slide unit.(the 1st embodiment)

Figure 21 is the front view corresponding with Figure 12 in the state of inserting mechanical key at lock position.(the 1st is real Apply mode)

Figure 22 is the front view corresponding with Figure 12 in the state of operating mechanical key rotation to after closed position. (the 1st embodiment)

Figure 23 is the figure corresponding with Figure 14 in the state that shell is omitted.(the 1st embodiment)

Figure 24 is the front view corresponding with Figure 12 in the state of postponing mechanical key rotation operation to start bit. (the 1st embodiment)

Figure 25 is the front view corresponding with Figure 12 in the state of extraction after mechanical key at lock position.(the 1st is real Apply mode)

Label declaration

15: cylinder lock；

16: cylinder；

17: cylinder lock protective device；

24: mechanical key；

29: shell principal part；

30: guard member；

30a: flat part；

35: shell；

36: baffle；

37: mechanical key is inserted into hole；

38: main body；

39: shell；

39a, 39b, 39c, 39d: sidewall portion.

Specific embodiment

In the following, referring to the FIG. 1 to FIG. 25 of accompanying, embodiments of the present invention will be described.

1st embodiment

Firstly, being equipped with cylinder lock 15, the cylinder lock in the front of the automatic two-wheeled cycle of such as pedal-type in Fig. 1 15 are able to carry out the switching of the locking of the switching of the on-off mode of ignition switch 14 and steering wheel and unlocked state.The cylinder lock 15 cylinder 16 is configured to tilt low early and high afterly, is equipped with cylinder lock protective device on the top of the cylinder 16 17, protective device has the closed state that the cylinder lock protective device 17 is kept in locking with opening action limits device 18 Magnetic key operated lock 19, the protective device is with opening action limits device 18 with adjacent from below mode and cylinder lock protection Device 17 is arranged in succession.

In Fig. 2, the cylinder lock protective device 17 is can be closed with baffle 36 and the cylinder lock 15 is protected to have The device of some keyholes 20, the closed state of cylinder lock protective device 17, that is, the closed position of the baffle 36 exists It is kept when the locking of the magnetic key operated lock 19 by the protective device opening action limits device 18.The magnetic key operated lock 19 It can be unlocked by magnetic force key 22, by the unlock of the magnetic key operated lock 19, the protective device opening action limits device 18 makes It obtains the cylinder lock protective device 17 and is able to carry out opening action, i.e., the described baffle 36 can be moved to open position.

The magnetic force key 22 is installed on portable shell 23, can be from the prominent position outstanding of the shell 23 Set (position shown in solid of Fig. 2) and the reception position (position shown in the dotted line of Fig. 2) that is accommodated in the shell 23 it Between acted, on the shell 23, be fixed with the mechanical key 24 for unlocking the cylinder lock 15, the mechanical key 24 It is prominent to the direction opposite with the magnetic force key 22 of prominent position is located at.

In Fig. 3, the magnetic force key 22 is that multiple examples are arranged on the magnetic force key body 25 being made of synthetic resin Constituting such as 3 magnets 26, the magnetic force key body 25 is formed as longer on the length direction of the shell 23, can It is accommodated in the housing recess 28 (referring to Fig. 2) being formed on the shell 23, the one end of the magnetic force key body 25 is by energy It is enough rotatably supported on the shell 23.

It is formed in the one side of the other end of the magnetic force key body 25 recessed along 4 receivings of imaginary circle configuration Portion (not shown), the magnet 26 by the pole N and S extremely in either in face of the outer end side of the accommodating recess in a manner of accommodate In the state of in 3 accommodating recess gone out selected in these accommodating recess, pasted by being formed into cricoid cover 27 The face of the other end one for closing the magnetic force key body 25, to constitute the magnetic force key 22.

Together referring to Fig. 4~Fig. 7, the cylinder lock has the upper end for covering the cylinder 16 with protective device 17 Shell 35 and the baffle 36 being contained in the shell 35.

The shell 35 has the mechanical key insertion for being inserted into the mechanical key 24 in the cylinder lock 15 Hole 37 (Fig. 2 reference), the shell 35 is by 40 structure of main body 38, shell 39 and inside cover plate that is combined with the cylinder 16 At the shell 39 is anchored on institute in a manner of covering the baffle 36 and the main body 38 from the opposite side of the cylinder 16 Main body 38 is stated, the inside cover plate 40 is anchored on the main body 38 in a manner of being covered by the shell 39.

In addition, the mechanical key 24 for being inserted into the cylinder lock 15 can be from making steering wheel be formed as lockup state The locking position (LOCK) by shutdown the position (OFF) turn to the position starting (ON), can starting position at be connected described in Ignition switch 14 and to engine ignition (not shown).Also, the mechanical key 24 is in times of lock position and scram position Under a kind of state of anticipating, it can carry out operating relative to the plug of cylinder lock 15.

Being glued on the surface of the shell 39 has opening portion 42 corresponding with mechanical key insertion hole 37 Cover board 41, it is described to show that locking (LOCK), shutdown (OFF) and starting (ON) each position are configured on the cover board 41 Around opening portion 42.

The baffle 36 is contained in the shell 35, the baffle 36 can be inserted into hole closing the mechanical key It is acted between 37 closed position and the open position (position shown in fig. 5) in open mechanical key insertion hole 37, The baffle 36 configures between the shell 39 and the inside cover plate 40.

In fig. 8, the shell 39 is made of the shell principal part 29 of resin and metal guard member 30, wherein institute State metal guard member 30 inserted it is embedding be integrated in the shell principal part 29, and at least there is side to cover the baffle 36 Formula is formed as flat flat part 30a.Multiple sidewall portions in the direction that the shell 39 has facing each other different, and the shell Body 39 is formed as covering the master in a manner of chimeric with a part of the side opposite with the cylinder lock 15 of the main body 38 Body 38, in this embodiment, the shell 39 are shaped generally as rectangular bowl-shape, to have facing each other different direction 4 sidewall portions 39a, 39b, 39c, 39d.

Moreover, in 4 sidewall portion 39a~39d that the shell 39 has, at least two sidewall portion and 38 bullet of main body Engaging to property, other sidewall portions of the sidewall portion different from being resiliently snapped with the main body 38 are fastened onto the main body 38, In this embodiment, 2 sidewall portions 39a, 39b are resiliently snapped with the main body 38, other 1 sidewall portion 39c is anchored on The main body 38.Furthermore remaining sidewall portion 39d can also be resiliently snapped with the main body 38.

Together referring to Fig. 9, the guard member 30 is formed as being provided integrally on the basis of the flat part 30a: locking Piece 30b, constitutes a part for the sidewall portion 39a that the shell 39 has, and is configured to from being formed in the shell Notch 29a on principal part 29 is connected towards foreign side, and with the flat part 30a；Hooking sheet 30c constitutes the shell 39 The a part for the sidewall portion 39b having, and be configured to from the notch 29b being formed on the shell principal part 29 towards Foreign side, and be connected with the flat part 30a；And installation sheet 30d, constitute the sidewall portion 39c that the shell 39 has A part, and be configured to from the notch 29c being formed on the shell principal part 29 towards foreign side, and with the flat part 30a is connected, and the stop hole 31,32 of quadrangle is provided on described hooking sheet 30b, 30c, is arranged on the installation sheet 30d Have and circular inserts hole 33.

Together referring to Fig.1 0, it is provided integrally in the main body 38 and flexibly blocks with the stop hole 31,32 respectively Described hooking sheet 30b, 30c of a part of engaging protrusion 38a, 38b of conjunction, main body 38 and composition sidewall portion 39a, 39b It is resiliently snapped.And in the main body 38, it is provided with and inserts the corresponding mounting hole in hole 33 34 (referring to Fig. 4) with described, It is screwed into the mounting hole 34 through the screw component 43 for inserting hole 33 described in insertion, constitutes one of the sidewall portion 39c The installation sheet 30d divided is fastened onto the main body 38.That is, constituting the metal guard member of a part of the shell 39 30 are mounted in the main body 38.

The inside cover plate 40 is the component being fixed in the main body 38 in a manner of with 36 sliding contact of baffle, Multiple positions position and be sticked in the inside cover plate 40 of the main body 38 be anchored on by 1 screw component 44 it is described Main body 38.

Mechanical key insertion hole 37 by circular 1st hole 45 that is arranged on the inside cover plate 40 and with the 1st hole 45 circular 2nd holes 46 being correspondingly arranged on the shell 39 are constituted, by making the baffle 36 between the 1st hole Between 45 and the 2nd hole 46, the baffle 36 closes mechanical key insertion hole 37.

Together referring to Fig.1 1, the baffle 36 includes rotation base portion 36a with being formed as one, and is formed as fan-shaped, and There are circular support holes 47 at position corresponding with the mian part that it is fanned；Link arm 36b, along the support holes 47 Radial direction extends out from the rotation base portion 36a；Cover 36c, mechanical key insertion hole 37 can be closed by having Shape and be arranged in succession with the connection arm 36b；And limitation arm 36d, it extends out from the cover 36c, When cover 36c is in the open state in mechanical key insertion hole 37, mechanical key insertion hole 37 is clipped in limit Between arm 36d processed and the rotation base portion 36a.

The baffle 36 can be inserted in the closed position and the open mechanical key for closing mechanical key insertion hole 37 Enter and is acted between the open position (position shown in fig. 5) in hole 37, the fulcrum being inserted in the support holes 47 48 bearings are that can rotate.

Locking teat has integrally been provided projectingly on the face towards 40 side of inside cover plate of the rotation base portion 36a 49, which is extended centered on the central axis of the support holes 47 and the fulcrum 48 in arc-shaped, in institute It states and has integrally been provided projectingly operating shaft 50 on the face towards 39 side of shell of rotation base portion 36a, in 39 He of shell It is provided on the cover board 41 and inserts hole 51,52 through insertion for the operating shaft 50, inserted hole 51,52 and be formed as with the branch Arc-shaped centered on the central axis of bearing bore 47 and the fulcrum 48.

Also, locking is formed on the face towards 40 side of inside cover plate of the terminal part in the limitation arm 36d Recess portion 53 and inclined surface 54, the inclined surface 54 with from the engaging portion 53 towards it is described limitation arm 36d end side and Mode far from the inside cover plate 40 tilts.

The closed position of the baffle 36 is limited by closed position limiting member 56, closed position limitation Component 56 can be beaten in the restriction state and the permission baffle 36 that the baffle 36 is limited in the closed position to described It is switched between the restriction release state that open position is acted, there is the 1st and the 2nd limiting component 57,58.

2~Figure 14, the 1st limiting component 57 are formed to have referring to Fig.1 together: flat rotor plate portion 57a, configuration Between the main body 38 and the inside cover plate 40；The fulcrum 48, it is upright to be arranged on the rotor plate portion 57a, it passes through The 1st through hole 59 being arranged on the inside cover plate 40 has been worn, and has been inserted in the support holes 47 of the baffle 36；The 1 engaging protrusion 57b, upright setting, can be with the locking teat 49 in the baffle 36 on the rotor plate portion 57a Circumferential one end 49a abut, engaging；Cylindrical portion 57c, with the coaxial mode of the fulcrum 48 and the rotor plate portion 57a is vertically arranged in succession, and is rotated and is inserted into the main body 38 freely；And the 1st compression protrusion 57d, from The axial middle part of cylindrical portion 57c is prominent to radial direction outside, is provided with long hole 60 on the inside cover plate 40, the length Hole 60 is extended centered on the central axis of the fulcrum 48 in arc-shaped, and the 1st engaging protrusion 57b is inserted in the long hole 60 In, and the 1st engaging protrusion 57b can be around the center axis thereof of the fulcrum 48.

Also, the 2nd limiting component 58 is formed to have: flat link plate portion 58a, configuration the main body 38 with Between the inside cover plate 40；2nd engaging protrusion 58b, can engage with the engaging portion 53, and to have run through setting The mode of the 2nd through hole 61 on the inside cover plate 40 is provided projectingly on the one end of the link plate portion 58a；It is rodlike Portion 58c is inserted in the main body from the other end of the link plate portion 58a in a manner of extending in parallel with the fulcrum 48 In 38；And the 2nd compression protrusion 58d, from bar-shaped portion 58c to radial direction on the outside of it is prominent.

The baffle 36 is exerted a force by the 1st torsional spring 62 to the open position side, and the 1st torsional spring 62 is configured in the baffle Around the one end 62a of the 48, the 1st torsional spring 62 of fulcrum and institute between 36 rotation base portion 36a and the inside cover plate 40 State the engaging of inside cover plate 40, the circumferential other end of the other end 62b of the 1st torsional spring 62 and the locking teat 49 in the baffle 36 Portion 49b is abutted, is engaged.

Also, to the baffle 36, the 2nd torsional spring of the coiled type of the performance active force bigger than the 1st torsional spring 62 can be passed through 63 apply the active force towards the closed position side.2nd torsional spring 63 is part of it to be inserted into the cylindrical portion 57c Mode is arranged between cylindrical portion 57c and the main body 38, and the one end 63a of the 2nd torsional spring 63 engages with the main body 38, Slot card (not shown) on the other end of 2nd torsional spring 63 and the inner surface for axially extending and being formed in the cylindrical portion 57c It closes.

2nd torsional spring 63 is prominent in the locking that the 1st engaging protrusion 57b of the 1st limiting component 57 is connected to the baffle 36 It is played in the state of the circumferential one end 49a in portion 49 to the 1st limiting component 57 and the baffle 36 to the closed position The spring force of side force, also, the 2nd torsional spring 63 also plays following axial spring forces: to the 1st limiting component 57 towards making The rotor plate portion 57a of 1st limiting component 57 exerts a force close to the direction of the inside cover plate 40.

The baffle 36 is compared to institute to the spring force for the 2nd torsional spring 63 that the baffle 36 exerts a force to the closed position side The spring force for stating the 1st torsional spring 62 of open position side force is big, therefore, supports in the 1st engaging protrusion 57b of the 1st limiting component 57 It is connected in the state of circumferential one end 49a of the locking teat 49 of the baffle 36, the baffle 36 positioned at the closed position It is limited to the rotation of the open position side, the baffle 36 is limited on the closed position.

Also, between the bar-shaped portion 58c and the main body 38 of the 2nd limiting component 58, compression is provided with the 1st Coil spring 64, by the 1st coil spring 64 play spring force, the 2nd limiting component 58 by make it is described 2nd engaging protrusion 58b exerts a force from the inside cover plate 40 side outstanding, passes through the card of the 2nd engaging the protrusion 58b and the baffle 36 The only engaging of recess portion 53, the baffle 36 are also limited on the closed position.

Restriction state energy of the baffle 36 based on the closed position limiting member 56 generation in the closed position Enough to be released by the protective device opening action limits device 18, which is constituted with opening action limits device 18 Are as follows: including the use of the magnetic key operated lock 19 that the magnetic force key 22 unlocks, and correspond to the magnetic force key 22 in the magnetic force It locks the push operation under 19 unlocked state and is acted, to release the limitation shape of the closed position limiting member 56 State.

The protective device opening action limits device 18 shares the shell with the cylinder lock protective device 17 35, sliding recess portion 67 is provided in the main body 38 of the shell 35, the sliding recess portion 67 is inclined from the inside cover plate 40 To 39 side opening of shell at the part of shifting, the centerline axis parallel of the sliding recess portion 67 and the fulcrum 48 extends and has There is generally rectangular cross-sectional shape.Also, it is set on the part corresponding with the sliding recess portion 67 of the shell 39 It is equipped with the magnetic force key insertion hole 69 of shape corresponding with the cross sectional shape of the magnetic force key 22.Moreover, institute as in Fig. 4 Show, on the back side of the shell 39, is rotatably supported with by pin 71 and closes the magnetic force key insertion hole 69 Cover 70, the cover 70 are exerted a force by spring 72 to close side.

Together referring to Fig.1 5, the magnetic key operated lock 19 is disposed in the shell 35 in a manner of towards the sliding recess portion 67 On, there is the rotor 74 by the main body 38 bearing for that can rotate.The rotor 74 is formed by non-magnetic material, and integrally Include round plate 74a, from one end of round plate 74a to the flange part 74b stretched out on the outside of radial direction, from flange part 74b The connection arm 74c that extends of the outside side in circumferential 1 position and from the outer end of connection arm 74c to the disk The portion same side 74a the 3rd engaging protrusion 74d outstanding.

As shown in Figure 16, chimeric recess portion 75, the rotor 74 are provided in the main body 38 of the shell 35 The flange part 74b and the connection arm 74c be rotatably entrenched in chimeric recess portion 75；Circular embedded hole 76, Its outer end to this be fitted into recess portion 75 opening and inner end it is described sliding recess portion 67 side upper opening, the rotor 74 it is described Round plate 74a is rotatably entrenched in embedded hole 76；And long hole 77, outer end are open to the chimeric recess portion 75, and And inner end, in the side upper opening of the sliding recess portion 67, the 3rd engaging protrusion 74d is inserted in the long hole 77, the length Hole 77 is formed as the arc-shaped centered on the pivot center of the rotor 74 to allow the rotor 74 in the chimeric recess portion 75 It is rotated in the embedded hole 76.

As shown in FIG. 4, the 75 partes tegmentalis part 78 of chimeric recess portion is closed, which, which is provided integrally with, is fitted to The round plate 74a of the rotor 74 is interior and supports the bearing protrusion 78a of the rotation of the rotor 74, and the cover 78 are anchored on the main body 38 using 1 screw component 79, deposit between the base portion and the rotor 74 of the bearing protrusion 78a There is O-ring 80.

On the terminal part of the bearing protrusion 78a, can slidably be fitted into has multiple such as 3 pins being made of magnet 81,3 pins 81 can with the one end for the round plate 74a being arranged in the rotor 74 at 4 engaging portions 82 In the positions and releasing of 3 engagings moved between the position of the engaging, each pin 81 by with respective corresponding 2nd coil bullet Spring 83 applies elastic force to the side engaged with the rotor 74.

When the other end of the magnetic force key 22 and the round plate 74a in the rotor 74 is arranged opposite, 3 institutes It is embedding with the engaging portion 82 at position corresponding with 3 magnets 26 that the magnetic force key 22 has of stating that pin 81 is configured in It closes.Moreover, the pin 81 is configured to: the pole phase with 19 side of the magnetic key operated lock of the magnet 26 in the magnetic force key 22 With pole be configured in the interior end side of engaging portion 82, by by the regular configuration of magnetic force key 22 in the rotor 74 On the opposed position of the other end of the round plate 74a, the elastic acting force of the 2nd coil spring 83 can be overcome to make the pin 81 It is mobile with the side of the engaging of the rotor 74 to releasing, allow the rotation of the rotor 74 as a result,.

Can slidably be accommodated in the sliding recess portion 67 of the main body 38 in the shell 35 magnetic force key from Dynamic component 84, the magnetic force key slave unit 84 correspond to by the magnetic force key 22 be inserted into the shell 35 and with the magnetic force Key 22 moves together.

There is magnetic force key to be inserted into recess portion 85 for 7~Figure 19, the magnetic force key slave unit 84 referring to Fig.1 together, and Be formed as the box-like of rectangle, can slidably be contained in the sliding recess portion 67, opens the cover 70 from the shell 39 magnetic force key insertion hole 69 inserts the magnetic force key that the magnetic force key 22 is inserted into the magnetic force key slave unit 84 Enter in recess portion 85.

It is inserted into the terminal part and the magnetic force key of the magnetic force key 22 in the magnetic force key insertion recess portion 85 The closed end wall of spoon insertion recess portion 85 abuts, and by being pressed into the magnetic force key 22, the magnetic force key slave unit 84 is in institute State sliding movement in sliding recess portion 67.Moreover, being provided integrally with configuration in the main body 38 in the sliding recess portion 67 With the receiving unit 68 of the clathrate on the end of 39 opposite side of shell, the magnetic force key slave unit 84 with it is described Compression is provided with the 3rd coil spring 86 between receiving unit 68, the spring force played by the 3rd coil spring 86, the magnetic force key Spoon slave unit 84 is applied spring force to close to the side of the shell 39.

On the side wall towards 19 side of magnetic key operated lock of the magnetic force key slave unit 84, along the sliding recess portion 67 extending direction forms fenestrate 87 longlyer, which makes the magnetic force being inserted into the magnetic force key insertion recess portion 85 Key 22 towards 19 side of magnetic key operated lock, the magnetic force key slave unit 84 with the insertion of the magnetic force key 27 and with this Magnetic force key 22 moves together, and makes the closed end appearance of the magnetic force key 22 and the rotor 74 in the magnetic key operated lock 19 as a result, Face is opposed, thus allows for the insertion operation for being moved to the magnetic force key 22 of the unlocked position of unlock magnetic key operated lock 19, no Only in this way, pushed position can also be moved to from the unlocked position and being pressed further into magnetic force key 22.

Restriction cancellation component 88 is maintained on the magnetic force key slave unit 84, the restriction cancellation component 88 is in institute It states to be limited under the lock state of magnetic key operated lock 19 by the rotor 74 and move, and engage protrusion 74d card with the 3rd of the rotor 74 It closes, the 4th coil spring 89 is arranged between the magnetic force key slave unit 84 and the restriction cancellation component 88, with described Magnetic force key slave unit 84 is mobile to the pushed position side, and the 4th coil spring 89 is played towards the driving rotor 74 rotation sides press the elastic force of the restriction cancellation component 88.

The restriction cancellation component 88 has the fastening groove 90 for engaging arm 74d engaging with the described 3rd, to be formed as The open substantially C font in the side connection arm 74c of the rotor 74.Also, on the magnetic force key slave unit 84 It is provided with accepting hole made of the 3rd engaging arm 74d side opening for making 58 side of the 2nd limiting component and the rotor 74 91, the accepting hole 91 closes the extending direction both ends of the sliding recess portion 67, and the restriction cancellation component 88 is incorporated in this In accepting hole 91, the 4th coil spring 89 being contained in the accepting hole 91 is driven in the magnetic force key by compression setting Between component 84 and the restriction cancellation component 88.

When the magnetic force key 22 and the magnetic force key slave unit 84 are pressed further into from the unlocked position, Pressing force caused by the movement of magnetic force key slave unit 84 is passed via the 4th coil spring 89 and the restriction cancellation component 88 It is handed to the connection arm 74c of the rotor 74, it is in the unlocked state in can be described in rotary state by magnetic key operated lock 19 Rotor 74 is rotated with the movement of the restriction cancellation component 88.

Also, on the magnetic force key slave unit 84, it is provided projectingly the 1st pressing protrusion 84a, the 1st pressing Protrusion 84a can be from the rotation side base portion 36a and the 1st on the cylindrical portion 57c that the 1st limiting component 57 is arranged in Compression protrusion 57d engaging keeps the 1st pressing prominent with the magnetic force key slave unit 84 is pressed into using the magnetic force key 22 The magnetic force key slave unit 84 that portion 84a engages with the 1st compression protrusion 57d is further pressed into from the unlocked position, At this point, overcome the axial elasticity power of the 2nd torsional spring 63 and the 1st limiting component 57 is made to be pressed, thus, the 1st limiting component 57 The 1st engaging protrusion 57b be moved to releasing and the position of the engaging between the locking teat 49 of the baffle 36, baffle 36 is limited The limitation made in the 1st limiting component 57 of closed position is released from.At this point, the fulcrum 48 of the 1st limiting component 57 will not be from The support holes 47 of the baffle 36 are detached from, and maintain baffle 36 to the rotating support of the fulcrum 48.

Also, on the restriction cancellation component 88, with 90 opposite side of fastening groove from the restriction cancellation portion The mode outstanding of part 88 is provided with the 2nd pressing protrusion 88a, and the 2nd pressing protrusion 88a can be from the link plate portion side 58a Engage with the 2nd compression protrusion 58d on the bar-shaped portion 58c that the 2nd limiting component 58 is arranged in, with the utilization magnetic force key The 22 indentation magnetic force key slave unit 84 of spoon, the limitation for engaging the 2nd pressing protrusion 88a with the 2nd compression protrusion 58d It releases component 88 to be further pressed into from the unlocked position, at this point, the 2nd engaging protrusion 58b of the 2nd limiting component 58 is moved to It releases and is limited with the position of the engaging between the engaging portion 53 of the baffle 36, the 2nd that baffle 36 is limited in closed position The limitation of component 58 is also released from.It is pressed by force in the state of in no unlock magnetic key operated lock 19 using special-section key or illegal component When entering the magnetic force key slave unit 84, although with the movement of magnetic force key slave unit 84, the 1st 57 pairs of limiting component institute Limitation of the baffle 36 in closed position is stated to be released from, still, since the rotor 74 of magnetic key operated lock 19 not can rotate, the limitation The movement for releasing component 88 is also blocked from, and therefore, the magnetic force key slave unit 84 on one side presses the 4th coil spring 89 Contracting is slided on one side, and to the baffle 36, in closed position, limitation will not be released from the 2nd limiting component 58, and baffle 36 is still limited In closed position.

That is, the protective device is with opening action limits device 18 by the magnetic key operated lock 19, the magnetic force key follower Part 84, the restriction cancellation component 88 and the 3rd and the 4th coil spring 86,89 are constituted.

In the restriction state for the closed position limiting member 56 being limited in the baffle 36 on the closed position In the state of being released by above-mentioned protective device with opening action limits device 18, the spring force of the 2nd torsional spring 63 does not act on described Baffle 36, the baffle 36 are rotated by the spring force of the 1st torsional spring 62 to open position side automatically.

Also, be provided on the magnetic force key slave unit 84 make the lower part of magnetic force key insertion recess portion 85 with 1st tap 92 of outside connection is formed at the open end for being inserted into recess portion 85 towards the magnetic force key of the 1st tap 92 Have for the inclined surface 92a for invading dust and rainwater etc. in the magnetic force key insertion recess portion 85 to be smoothly discharged.

On the other hand, it in the main body 38 in the shell 35, is invaded in the sliding recess portion 67 to remove Dust and water, and being provided with makes the lower part of the sliding recess portion 67 and external the 2nd tap 93 being connected to, the 2nd tap 93 It is formed by the receiving unit 68 of the clathrate.Moreover, the 2nd tap 93 is described to reach in the magnetic force key slave unit 84 The main body 38 of the shell 35 is arranged in the mode being connected to when pushed position at least part of the 1st tap 92 On.

In the state that the baffle 36 is rotated automatically by the spring force of the 1st torsional spring 62 to open position side, the gear The locking teat 49 of plate 36 becomes to engage on the direction of the axis along the fulcrum 48 with the 1st of the 1st limiting component 57 prominent Portion 57b is close, opposed position, passes through and extracts magnetic force key 22, the magnetic force key from the magnetic force key slave unit 84 Spoon slave unit 84 due to the 3rd coil spring 86 spring force and return to original position, even if as a result, from the 1st pressing protrusion The pressing force that 84a acts on the 1st compression protrusion 57d is released from, by it is described 1st engaging protrusion 57b in the axial direction with baffle 36 Locking teat 49 abutting, the 1st limiting component 57 maintains the state that is pressed.Also, the 2nd limiting component 58 due to from The spring force that 2nd pressing protrusion 88a acts on the releasing of the pressing force of the 2nd compression protrusion 58d and passes through the 1st coil spring 64 is extensive Original position is arrived again.

Position side pushing force control member 94 is closed to the transmitting of the active force of the baffle 36 from the 2nd torsional spring 63 to control, At least when the baffle 36 is acted from the closed position to the open position, closed position side pushing force control Component 94 stops the function of the 1st torsional spring 62, also, is located at the mechanical key in the state of open position with the baffle 36 The extraction operation that spoon 24 is extracted from the mechanical key of defined rotational position insertion hole 37, the closed position side pushing force Control member 94 makes the active force of the 2nd torsional spring 63 act on the baffle 36.

Fig. 7 is paid close attention to, the closed position side pushing force control member 94 includes disk-shaped lobe plate 95, with can The mode of rotation is housed between the main body 38 and the inside cover plate 40；Rod unit 96, in the week of the lobe plate 95 Mode of the configuration between the 1st and the 2nd limiting component 57,58 is configured at the outside of the lobe plate 95 upwards；Push plate 97, It is chimeric with lobe plate 95 in a manner of it can slide on the radial direction of the lobe plate 95；Slave Block 98, described Lobe plate 95 abuts when being located at turned position corresponding with lock position with the push plate 97；And slide unit 99, with The Slave Block 98 connection.

The lobe plate 95 is linked in a relatively unrotatable manner with the inner cylinder (not shown) of the cylinder lock 15 Component has the end of round plate 95a and 38 side of the main body from round plate 95a to outside radial direction with being formed as one The flange part 95b that side is stretched out.Moreover, the rotor plate portion 57a of the 1st limiting component 57 is configured in the flange part 95b Between the inside cover plate 40.

The rod unit 96 is supported in the main body 38 and can be rotated by the pin 100 parallel with the fulcrum 48, So that the one end 96a of the rod unit 96 and the periphery of the flange part 95b in the lobe plate 95 is abutted, and makes another End 96b is abutted with the rotor plate portion 57a in the 1st limiting component 57, and the pin 100 is formed on the rod unit On 96.On the periphery of the flange part 95b, it is formed with and is located at rotation corresponding with lock position position in the lobe plate 95 The recess portion 101 that the one end 96a of the rod unit 96 is stored when setting turns to institute from the lock position in the lobe plate 95 When stating scram position or the starting position, make the one end 96a of the rod unit 96 be detached from from the recess portion 101 and with It is rotated with the mode of the periphery sliding contact of the flange part 95b.Also, the other end 96b of the rod unit 96 with it is described The rotor plate portion 57a of 1st limiting component 57 is to make the 1st limiting component 57 in the active force by means of the 2nd torsional spring 63 It is opposed in the rotation direction of rotation.

On the central portion of the lobe plate 95, it is formed with the open-work of rectangle corresponding with mechanical key insertion hole 37 102, and it is provided with embeded slot 103, the cross-sectional shape of the open-work 102 is rectangle, and embeded slot 103 is provided in cam Extend on the radial direction of plate 95, the inner end of embeded slot 103 is open to the open-work 102 and makes outer end in the round plate The periphery upper opening of 95a, the push plate 97 is chimeric with the embeded slot 103 in a manner of it can slide, a pair of of spring 104 with to The mode of the push plate 97 force is arranged in the radial direction inside of the side, the i.e. described lobe plate 95 of closing the open-work 102 Between the lobe plate 95 and the push plate 97.

The inner end of the push plate 97 is formed to close the open-work 102, and the outer end of the push plate 97 is formed as With the arc-shaped of the periphery same curvature of the round plate 95a in the lobe plate 95.It is located in the inner end of the push plate 97 When closing the position of the open-work 102, the outer end of push plate 97 is located at the position of periphery in the inner part than the round plate 95a, When the inner end of the push plate 97 is located at the position of the open open-work 102, the outer end of the push plate 97 is located at and the circle The periphery of pan portion 95a connects into the position in a face.

Together referring to Figure 20, the Slave Block 98 is configured at the phase of the 2nd limiting component 58 about the lobe plate 95 Toss about, the Slave Block 98 is provided integrally with: Slave Block principal part 98b has connecting pin 98a on one end, along described convex The periphery of wheel plate 95 extends, and can be Chong Die with the flange part 95b of the lobe plate 95 by a part；Fitting portion 98c, It extends from the other end of Slave Block principal part 98b to the side the round plate 95a of lobe plate 95；And short cylindrical portion 98d, It is linked in a manner of configuring in the outside of the flange part 95b with the other end of the Slave Block principal part 98b, it is described from Spring engaging portion 105 is formed on the side with the fitting portion 98c opposite side of motion block principal part 98b.

The terminal part of the fitting portion 98c can be abutted with the periphery of the round plate 95a in the lobe plate 95, When the lobe plate 95 is located at lock position, the terminal part of the fitting portion 98c is abutted with the outer end of the push plate 97.

Moreover, the 3rd torsional spring 107 is circular bearing protrusion 106 around the cross section being arranged in the main body 38, and And one end 107a engages with the main body 38, part of it can be accommodated in institute by the other end 107b of the 3rd torsional spring 107 The mode stated in spring engaging portion 105 abuts with the short cylindrical portion 98d of the other end of the Slave Block 98, engages, the 3rd The spring force that torsional spring 107 plays acts on the Slave Block 98 on following directions: by the fitting portion of the Slave Block 98 98c presses against the direction on the periphery of the round plate 95a of the lobe plate 95；And by the Slave Block 98 by pressing to described The direction of 1 limiting component, 57 side.In order to guide along with described in the movement of the push plate 97 and the rotation of the lobe plate 95 The movement of Slave Block 98 is formed with the terminal part for the short cylindrical portion 98d in the Slave Block 98 in the main body 38 Chimeric guide recess 109.

The slide unit 99 configuration is between the Slave Block 98 and the 1st limiting component 57, with can be opposite It is supported in the main body 38 in the mode of close, the separate square upward sliding of the 1st limiting component 57, in the sliding Being provided on component 99 has bottom embedded hole 108, and the connecting pin 98a of the Slave Block 98, which is rotatably fitted into this, has bottom embedding It closes in hole 108.

It is provided integrally with abutting part 99a on the end of 57 side of the 1st limiting component of the slide unit 99, is abutted Portion 99a can be connected to institute to the identical direction in the rotation urging direction of the 1st limiting component 57 from the 2nd torsional spring 63 The rotor plate portion 57a of the 1st limiting component 57 is stated, the abutting part 99a can be with the flange part of the lobe plate 95 95b is overlapped in the axial direction.

As shown in FIG. 7, when the baffle 36 is located at open position and the lobe plate 95 is located at lock position, The one end 96a of the rod unit 96 is accommodated in the recess portion of the periphery of the flange part 95b on the lobe plate 95 In 101, the Slave Block 98 is pushed away in the described of position for abutting to the fitting portion 98c positioned at the closing open-work 102 1st engaging protrusion 57b of the state on the outer end of plate 97, the 1st limiting component 57 is in the axis along the fulcrum 48 Direction on the state that is abutted with the locking teat 49 of the baffle 36.In this state, as shown in Figure 21, in institute It states when being inserted into mechanical key 24 in mechanical key insertion hole 37 and the open-work 102, the push plate 97 and abuts fitting portion 98c The Slave Block 98 in the outer end of the push plate 97 overcomes the spring force of the spring 104 to the push plate 97 force, and It is released on the outside of radial direction to the lobe plate 95, the slide unit 99 is to close to the one of the 1st limiting component 57 as a result, Side carries out sliding action.

It is as shown in Figure 22, described when by the mechanical key 24 from lock position rotation operation to scram position Rod unit 96 turn to the flange part 95b for making one end 96a from the lobe plate 95 the recess portion 101 be detached from and with The position of the periphery sliding contact of the flange part 95b, the other end 96b of the rod unit 96 make the 1st limiting component 57 rotor plate portion 57a the rotating in an anti-clockwise direction to Figure 22.The 1st limiting component 57 turns to such position as a result: Its 1st engaging protrusion 57b can be made to abut, engage with the circumferential one end 49a of the locking teat 49 in the baffle 36 Position, which is to make the 1st compression protrusion 57d from the magnetic force key slave unit 84 in the circumferential direction of the fulcrum 48 The 1st position that is staggered pressing protrusion 84a, with the institute of the 1st engaging the protrusion 57b and the baffle 36 on the lock position The state for stating the abutting of locking teat 49 is released from, and as shown in Figure 23, the 1st limiting component 57 passes through the axial direction of the 2nd torsional spring 63 Elastic force is to keeping the rotor plate portion 57a mobile close to the direction of the baffle 36, and the 1st engaging protrusion 57b is in the fulcrum 48 Circumferential direction on it is close, opposed with the circumferential one end 49a of the 1st locking teat 49, further pass through the spring force of the 2nd torsional spring 63, And it abuts, engage with the circumferential one end 49a of the 1st locking teat 49.

At this point, if allowing the rotation of the 1st limiting component 57, by acting on the gear from the 1st limiting component 57 The spring force of 2nd torsional spring 63 of plate 36, the baffle 36 is by closed position side rotation urging, still, the 1st limiting component 57 Rotation is prevented by the rod unit 96 and the slide unit 99.That is, utilizing the described in the rod unit 96 the 1st at scram position To Figure 22 when rotating in an anti-clockwise direction, rotor plate portion 57a is worn the rotor plate portion 57a of limiting component 57 with part of it The mode crossed between the flange part 95b in the abutting part 99a and the lobe plate 95 of the end of the slide unit 99 turns It is dynamic, the 1st limiting component 57 by the axial elasticity power of the 2nd torsional spring 63 make the rotor plate portion 57a close to the baffle 36 Direction on move, as a result, as shown in Figure 22, the abutting part 99a and the rotor plate portion 57a are by means of the 2nd Opposed mode abuts on the rotation urging direction that the spring force of torsional spring 63 rotates the 1st limiting component 57, the 1st limiting component 57 Rotation be prevented from.Also, the other end 96b of the rod unit 96 maintains the rotation with the 1st limiting component 57 The periphery of the flange part 95b in the state that plate portion 57a is abutted, the one end 96a of the rod unit 96 and the lobe plate 95 It abuts, therefore, also prevents the rotation of the 1st limiting component 57 using the rod unit 96.

When the mechanical key 24 is turned to starting position, the lobe plate 95 turns to position shown in Figure 24, but It is that the rod unit 96, the Slave Block 98, the slide unit 99 will not be from the shapes of scram position shown in Figure 22 and Figure 23 State changes, and the 1st limiting component 57 will not rotate.

It is as shown in Figure 25, described by the mechanical key 24 back to lock position and when extracting mechanical key 24 The push plate 97 of lobe plate 95 returns to the position for closing the open-work 102, therefore, by the Slave Block 98, the slide unit 99 return to releasing and the position of the engaging between the 1st limiting component 57, also, the flange part in the lobe plate 95 The recess portion 101 of the periphery of 95b becomes position corresponding with the one end 96a of the rod unit 96, therefore, the 1st limiting component 57 can carry out rotate driving so that one end 96a is incorporated in the recess portion 101 to the rod unit 96, as a result, institute Baffle 36 is stated to turn to automatically by means of subtracting spring force obtained by the spring force of the 1st torsional spring 62 from the spring force of the 2nd torsional spring 63 The closed position, by the rotation of the baffle 36 to closed position, the terminal part of the limitation arm 36d of the baffle 36 Inclined surface 54 is abutted with the 2nd engaging protrusion 58b of the 2nd limiting component 58, so that the active force of the 1st coil spring 64 be overcome to press 2nd limiting component 58, the 2nd engaging protrusion 58b of the 2nd limiting component 58 are engaged to the institute of the terminal part of the limitation arm 36d It states in engaging portion 53.

That is, closed position side pushes when the baffle 36 is acted from the closed position to the open position Power control member 94 stops the function of the 1st torsional spring 62, corresponds to the baffle 36 and is located at the machinery in the state of open position The extraction operation that mechanical key insertion hole 37 of the key 24 from lock position is extracted, closed position side pushing force control structure Part 94 makes the active force of the 1st torsional spring 62 act on the baffle 36.

In addition, mechanical key 24 can be also extracted from mechanical key insertion hole 37 at scram position sometimes, in the situation Under, the closed position side pushing force control member 94 will not make the active force of the 2nd torsional spring 63 act on the baffle 36, because This, the baffle 36 will not turn to closed position side automatically at scram position.Therefore, by the operating shaft 50 from The shell 35 protruding portion outstanding carries out rotation operation, the baffle 36 can be turned to closed position, still, at this point, 1st limiting component 57 is in the state that rotation is prevented by the slide unit 99 and the rod unit 96, therefore, the baffle 36 Ignore the 1st limiting component 57 and is rotated, the 2nd card that the closed position of the baffle 36 passes through the 2nd limiting component 58 It closes protrusion 58b and the engaging of the engaging portion 53 and is limited.Also, when opening baffle 36, as long as in the magnetic force key It is inserted into slave unit 84 and presses the magnetic force key 27, by making the 2nd limiting component 58 be pressed, the 2nd engaging Protrusion 58b is detached from from the engaging portion 53, thus, limitation quilt of the 2nd limiting component 58 to the baffle 36 in closed position It releases, the spring force of the 2nd torsional spring 63 does not act on the baffle 36, and therefore, the baffle 36 passes through the spring of the 1st torsional spring 62 Power turns to open position automatically.

Next, the effect to the embodiment is illustrated, protective device has with opening action limits device 18 The magnetic key operated lock 19 of the cylinder lock closed state of protective device 17 is kept when locking, and corresponds to magnetic force key 22 to the magnetic The unlock of power lock 19, and allow the opening action of the cylinder lock protective device 17, which is limited with opening action Device 18 includes shell 35, has sliding recess portion 67, and the magnetic key operated lock 19 is matched in a manner of towards the sliding recess portion 67 Set on the shell 35；Magnetic force key slave unit 84 has the magnetic force key insertion for being inserted into the magnetic force key 22 recessed Portion 85 is entrenched in the sliding recess portion 67 in a manner of it can slide, also, magnetic force key slave unit 84 is not only able to base In the magnetic force key 22 push operation and be moved to the unlocked position for unlocking the magnetic key operated lock 19, but also can by into One step is pressed into the magnetic force key 22 and is moved to pushed position from the unlocked position；And restriction cancellation component 88, it uses It is acted in being moved to the pushed position from the unlocked position corresponding to the magnetic force key slave unit 84, thus The opening and closing device 17 is set to be able to carry out opening action, therefore, only to a side to being inserted into magnetic force key slave unit 84 Magnetic force key 22 pressed, be just able to carry out the opening action of cylinder lock protective device 17, therefore, operation become more It is smooth.

Also, be provided on the magnetic force key slave unit 84 make the lower part of magnetic force key insertion recess portion 85 with 1st tap 92 of outside connection is provided with the 2nd row for being connected to the lower part of the sliding recess portion 67 with outside on shell 35 Portal 93, therefore, even if from the sliding recess portion 67 and magnetic force key follower of the intrusion shell 35 such as external dust and rainwater In the magnetic force key insertion recess portion 85 of part 84, these dusts and rainwater etc. can be also discharged to the outside, can be excluded from outer The dust and rainwater in portion etc. invade and be trapped in shell 35 and magnetic force key slave unit 84 and the adverse effect that generates.

Moreover, the 2nd tap 93 with when the magnetic force key slave unit 84 reaches the pushed position with the described 1st The mode of at least part connection of tap 92 is arranged on the shell 35, therefore, dust and rain can reliably be discharged Water etc..

And the shell 35 that cylinder lock protective device 17 has has to be arranged in succession with the cylinder 16 of the cylinder lock 15 Main body 38 and the shell 39 that is formed and be fixed in the main body 38 in a manner of covering baffle 36, the shell 39 is by setting The shell principal part 29 and metal guard member 30 of rouge are constituted, and the metal guard member 30, which at least has, is formed as plate For shape to cover the flat part 30a of the baffle 36, the metal guard member 30, which is inserted, embedding is integrated to the shell principal part In 29, therefore, can be realized the lightweight of shell 39 by being formed from a resin shell principal part 29, also, with shell principal part 29 Together constitute shell 39 metal guard member 30 insert it is embedding be integrated in shell principal part 29, so as to ensure anti-theft.

Also, the guard member 30 is fixed in the main body 38, therefore, can be firmly secured to lead by shell 39 On body 38.

In addition, the shell 39 is formed to have multiple sidewall portion 39a, 39b, 39c, 39d, multiple sidewall portion include with The master is anchored on except at least two sidewall portion 39a, 39b that the main body 38 is resiliently snapped and sidewall portion 39a, 39b 1 sidewall portion 39c of body 38, and multiple sidewall portion is configured to the different direction of facing each other, therefore, can easily by Shell 39 is assembled into main body 38, can be improved assemblability.

More than, embodiments of the present invention are illustrated, still, the present invention is not limited to above embodiment, As long as under the premise of without departing from its main purpose, being able to carry out various design alterations.

Claims

1. a kind of cylinder lock protective device, wherein have for mechanical key (24) to be inserted into cylinder lock (15) Baffle (36) are supported on the shell (35) of mechanical key insertion hole (37), which is configured one of the shell (35) Point shell (39) covering, and be supported to can be in the close stance for closing mechanical key insertion hole (37) for the baffle (36) It sets and opens and moved between the open position of mechanical key insertion hole (37), the feature of the cylinder lock protective device exists In,

The shell (35) has the main body (38) being arranged in succession with the cylinder (16) of the cylinder lock (15) and is formed as covering The shell (39) for covering the baffle (36) and being fixed on the main body (38), the shell (39) by resin shell master Portion (29) and metal guard member (30) are constituted, wherein the guard member (30), which is inserted, embedding is integrated to the cylinder lock guarantor The shell principal part (29) of the shell (39) of the shell (35) of protection unit is internal, and at least has described in covering The mode of baffle (36) is formed as flat flat part (30a), therefore ensures that the institute for constituting a part of the shell (35) Make its lightweight while stating the anti-theft of shell (39).

2. cylinder lock protective device according to claim 1, which is characterized in that

The guard member (30) is fixed on the main body (38).

3. cylinder lock protective device according to claim 1 or 2, which is characterized in that

The shell (39) is formed to have multiple sidewall portions (39a, 39b, 39c, 39d), the multiple sidewall portion (39a, 39b, 39c, 39d) it include: at least two sidewall portion (39a, 39b) with the main body (38) elastic engaging；With these sidewall portions (39a, 1 sidewall portion (39c) for being anchored on the main body (38) except 39b), and the multiple sidewall portion (39a, 39b, 39c, 39d) it is configured to the different direction of facing each other.